Gilroy Power Plant
Gilroy Power Plant is a 130 MW natural gas power plant in Santa Clara County, California, operated by Calpine Gilroy Cogen LP. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 1987.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 130 MW
- 101 MW net summer
- Generating units
- 2
- In service
- 1987
- EIA plant ID
- 10034
Where it is
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- County
- Santa Clara County, California
- Coordinates
- 37.0001, -121.5367
- Balancing authority
- CISO
- Sector
- IPP CHP
Units, technology and status
- Operator of record
- Calpine Gilroy Cogen LP
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combined Cycle
- Status
- Operating
Gilroy Power Plant: FAQ
- Where is Gilroy Power Plant?
- In Santa Clara County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Gilroy Power Plant?
- 130 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Gilroy Power Plant?
- EIA-860M names Calpine Gilroy Cogen LP as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Gilroy Power Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Calpine Gilroy Cogen LP here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Gilroy Power Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Gilroy Power Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.